This application is a continuation of U.S. application Ser. No. 08/151,681, filed Nov. 15, 1992 now abandoned.
Number | Name | Date | Kind |
---|---|---|---|
2026575 | Kempf et al. | Jan 1936 | |
2026576 | Kempf et al. | Jan 1936 | |
2076571 | Kempf et al. | Apr 1937 | |
5122208 | Alabi | Jun 1992 | |
5194102 | Wyss | Mar 1993 |
Entry |
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Metals Handbook: Desk Edition; Boyer & Gall, editors; Amer. Soc. for Metals, Metals Park, Ohio; pp. 6-8 to 6-11, 6-24, 6-25, 6-28, and 6-30, 1985. |
Number | Date | Country | |
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Parent | 151681 | Nov 1993 |